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25280996 = 22133115683
BaseRepresentation
bin110000001110…
…0000111100100
31202120102000012
41200130013210
522432442441
62301505352
7424612346
oct140340744
952512005
1025280996
11132a7a94
128572258
135312090
143501296
1523459eb
hex181c1e4

25280996 has 24 divisors (see below), whose sum is σ = 49185024. Its totient is φ = 11291040.

The previous prime is 25280993. The next prime is 25280999. The reversal of 25280996 is 69908252.

It is an interprime number because it is at equal distance from previous prime (25280993) and next prime (25280999).

It is not an unprimeable number, because it can be changed into a prime (25280993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6230 + ... + 9453.

It is an arithmetic number, because the mean of its divisors is an integer number (2049376).

Almost surely, 225280996 is an apocalyptic number.

25280996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25280996 is a deficient number, since it is larger than the sum of its proper divisors (23904028).

25280996 is a wasteful number, since it uses less digits than its factorization.

25280996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15731 (or 15729 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 25280996 is about 5028.0210818969. The cubic root of 25280996 is about 293.4932111688.

The spelling of 25280996 in words is "twenty-five million, two hundred eighty thousand, nine hundred ninety-six".

Divisors: 1 2 4 13 26 31 52 62 124 403 806 1612 15683 31366 62732 203879 407758 486173 815516 972346 1944692 6320249 12640498 25280996